Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Reexamination Certificate
2005-09-13
2005-09-13
Saether, Flemming (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
C411S060100, C411S071000
Reexamination Certificate
active
06942439
ABSTRACT:
The dowel's expansion bushing (2) is placed around a threaded rod (9) inserted in the bushing's (2) expansion core (3), between the strut (8) and the core (3). The bushing (2) includes a section (16) compressible along its centerline, which includes a shearing system (24) placed such that, after shearing, the bushing (2) is shortened along its centerline. The bushing also includes, on its section (25) next to the strut (8), coupling and axial holding spurs (50). The bushing (2) is composed of a cut sheet metal blank, rolled on itself, except for the part with the spurs (50).
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Lowe Hauptman & Berner LLP
Saether Flemming
Societe de Prospection et d'Inventions Techniques Spit
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